Inhalation device



FIG. 1 is a front side perspective view of the inhalation device of my new design with cover shown in a closed position;

FIG. 2 is a rear perspective view with cover shown in an open position;

FIG. 3 is a rear view;

FIG. 4 is a side view; and,

FIG. 5 is a front view. 

The ornamental design for an inhalation device, as shown and described. 